TW201823101A - Bicycle drive unit and bicycle drive system including bicycle drive unit - Google Patents

Abstract

A bicycle drive unit includes a motor that assists propulsion of a bicycle and a wire operation device that operates a wire, which is connectable to a bicycle component.

Description

Bicycle driving unit and bicycle driving system having the same

The present invention relates to a bicycle driving unit and a bicycle driving system having the same.

The bicycle disclosed in Patent Document 1 includes a bicycle drive unit including an auxiliary motor and a bicycle unit including a motor. [Prior Art Document] [Patent Document] [Patent Document 1] Japanese Patent Laid-Open No. 2015-209159

[Problems to be Solved by the Invention] In the bicycle disclosed in Patent Document 1, it is necessary to include a motor in the bicycle module in order to operate the bicycle module. An object of the present invention is to provide a bicycle drive unit which can be preferably used in a bicycle provided with a bicycle component operated by a cable, and a bicycle drive system having the same. [Technical Means for Solving the Problem] (1) One form of the bicycle driving unit of the present invention includes: a motor that assists the advancement of the bicycle; and a cable operating device that operates a cable that can be connected to a bicycle component. According to the above (1), since the bicycle drive unit is provided for a bicycle provided with a bicycle component operated by a cable, not only can the bicycle be propelled, but also the cable component can be used to operate the bicycle component. (2) In the bicycle drive unit described in the above (1), the cable operating device includes a cable connecting portion that can be connected to the cable and can operate the cable by rotation. According to the above (2), the cable can be taken up and taken out by rotating the cable connection portion. (3) In the bicycle drive unit described in the above (1), the cable operating device includes a cable connecting portion that can be connected to the cable and can operate the cable by moving in a specific direction. According to the above (3), the cable can be stretched and sent out by moving in a specific direction. (4) The bicycle drive unit according to any one of (1) to (3) above, further comprising a housing that houses at least a part of the motor, and the cable operating device is provided in the housing. According to the above (5), the cable operating device is supported by the housing. (5) In the bicycle drive unit described in the above (4), at least a part of the cable operating device is housed inside the case. According to the above (5), foreign matter such as mud is prevented from adhering to the portion of the cable operating device that is housed inside the casing. (6) One form of the bicycle drive unit of the present invention includes: a motor that assists the advancement of the bicycle; and a mounting portion that can be installed with a cable operating device that operates a cable that can be connected to a bicycle component . According to the above (6), a bicycle driving unit can be installed on a bicycle provided with a bicycle component operated by a cable, and a cable operating device can be mounted on the mounting portion. Therefore, not only can the bicycle be propelled, but also the bicycle components can be operated using the cable operating device. When the cable operation device is not required according to the purpose of the user, the bicycle drive unit can be used without installing the cable operation device. When a cable operation device is required, the cable operation device can be attached to the mounting portion and a bicycle drive unit can be used. Therefore, convenience can be improved. (7) The bicycle drive unit described in (6) above, includes a plurality of the mounting portions. According to the above (7), a plurality of cable operating devices can be mounted on the bicycle drive unit. (8) The bicycle drive unit described in (6) or (7) above, further comprising a housing that houses at least a part of the motor, and the mounting portion is provided in the housing. According to the above (8), the cable operating device is supported by the housing. (9) In the bicycle drive unit described in the above (8), the mounting portion is provided at least one of inside and outside the case. According to the above (9), when at least a part of the mounting portion is provided inside the housing, foreign matter such as mud is suppressed from adhering to the portion of the cable operating device that is contained inside the housing. In addition, when at least a part of the mounting portion is provided outside the casing, the increase in size of the casing can be suppressed. (10) The bicycle drive unit described in (4), (5), (8), or (9) further includes a guide portion provided in the housing and guiding the cable. According to the above (10), since the cable is guided by the guide portion, the cable can be operated stably. (11) The bicycle drive unit according to the above (10), further comprising a plurality of the guide portions. According to the above (11), a plurality of cables can be guided. (12) In the drive unit for a bicycle described in the above (10) or (11), the guide portion includes a groove provided in the case. According to the above (12), the cable can be guided by the groove by inserting the cable into the groove and guiding the cable. (13) In the drive unit for a bicycle described in the above (10) or (11), the guide portion includes a roller capable of rotating with respect to the housing. According to the above (13), the cable can be efficiently operated by winding the cable around the roller and being guided by the roller. (14) In the bicycle drive unit described in any one of (4), (5), and (8) to (13), the case includes a frame connection portion that can be attached to a frame of the bicycle. According to the above (14), the bicycle drive unit can be attached to the frame of the bicycle through the frame connection portion. Moreover, by attaching the bicycle drive unit to the frame of the bicycle, the cable operating device can be attached to the frame of the bicycle through the casing. (15) In the bicycle drive unit described in any one of (4), (5), and (8) to (14), the case supports the crankshaft of the bicycle. According to the above (15), the crankshaft of the bicycle can be supported by the casing. (16) In the drive unit for a bicycle described in the above (15), the cable connecting portion of the cable operating device is arranged in a state where the case is installed on the bicycle, and is disposed in a direction in which the crankshaft of the bicycle extends A position offset from the center of the frame of the bicycle. According to the above (16), the cable connected to the bicycle assembly can be easily connected to the cable operating device provided with the cable at a position shifted from the center of the frame of the bicycle in the direction in which the crankshaft of the bicycle extends. Of the installation department. (17) The bicycle drive unit according to any one of the above (1) to (16), further comprising a detection unit that detects a movement of the cable. According to the above (17), since the movement of the cable can be detected, the cable can be moved with high accuracy. (18) The bicycle drive unit according to any one of the above (1) to (17), further comprising a control unit that controls the cable operating device. According to the above (18), the cable can be moved by the control device. (19) In the bicycle drive unit described in the above (18), the control unit controls the motor. According to the above (19), a single control unit can be used to control the cable operation device and the motor. (20) The bicycle drive unit described in the above (18) or (19), further comprising a communication unit capable of communicating with at least one of an operation device operable by an operator and a sensor that detects the state of the bicycle. The control unit controls the cable operating device according to the information input to the communication unit. According to the above (20), the control unit can operate the cable operating device based on at least one of the operation of the operating device and the state of the bicycle. (21) In the bicycle drive unit described in the above (20), the communication unit may wirelessly communicate with at least one of the operation device and the sensor. According to the above (21), since the wiring of the operating device or the sensor and the driving unit can be omitted, the wiring of the bicycle can be simplified. (22) The bicycle drive unit according to any one of the above (18) to (21), further including a memory unit, the memory unit memorizes and the above-mentioned cable required for the bicycle component to perform a specific operation. The information related to the amount of movement of the cable can be changed by the control unit according to the operation of an external device. According to the above (22), even if the bicycle component operated by the cable operating device is changed, or the bicycle component related to the bicycle component is changed, the control portion can appropriately control the cable by the information stored in the memory portion. The amount of line movement. (23) In the bicycle drive unit described in any one of the above (18) to (22), the control unit controls the cable operating device in such a manner that the cable is directed to the first direction and the After one of the second directions opposite to the first direction moves the first movement amount, the cable is moved to the other of the first direction and the second direction by a second movement amount that is less than the first movement amount. . According to the above (23), the cable operating device returns the cable to only the second amount of movement after the first amount of movement, so that the bicycle module can be transitioned from the first state to the second state in two stages. (24) In the bicycle drive unit according to any one of (18) to (22), the control unit controls the cable operating device in such a manner that the cable is directed in the first direction and the After moving the third movement amount in one of the second directions opposite to the first direction, the cable is moved to the other of the first direction and the second direction by a fourth movement amount. According to the above (24), the cable operating device moves the cable after the third movement amount and then the fourth movement amount, so that the bicycle module can be transitioned from the first state to the second state in two stages. (25) In the bicycle drive unit according to any one of the above (1) to (24), the cable operating device includes an electric actuator different from the motor, and operates by operating the electric actuator The above cables. According to the above (25), a bicycle-use component can be operated by a dedicated electric actuator for operating a cable. (26) In the drive unit for a bicycle described in any one of the above (1) to (24), the cable operating device uses the human driving force input to the crank of the bicycle or the output torque of the motor to operate the above Cable. According to the above (26), the bicycle component can be operated without using a dedicated electric actuator for operating a cable. (27) An aspect of the bicycle drive system according to the present invention includes the bicycle drive unit according to any one of (1) to (26), the cable, and the bicycle component, and the bicycle component includes At least one of a transmission, a seatpost assembly, a shock absorber, and a brake device. According to the above (27), at least one of the transmission, the seat tube assembly, the shock absorber, and the brake device can be operated by the cable operating device. (28) One form of the bicycle drive unit according to the present invention includes a motor that assists the advancement of the bicycle, and a guide portion that contacts the cable that can be connected to the bicycle component to guide the movement of the cable. According to the above (28), since the cable is guided by the guide portion, the cable can be operated stably. [Effects of the Invention] The bicycle driving unit and the bicycle driving system having the same can be preferably used in a bicycle provided with a bicycle component operated by a cable.

(First Embodiment) Referring to Figs. 1 to 5, A bicycle drive unit 80 equipped with the first embodiment and a bicycle 10 including the bicycle drive system 50 will be described.  As shown in Figure 1, Bicycle 10 contains front wheels 12, Rear wheel 14, Bicycle body 16, Driving mechanism 18, And bicycle drive system 50. The bicycle body 16 includes a frame 20, Front fork 22 connected to frame 20, And a handle bar 24 detachably connected to the front fork 22 via a stem 24A. The front fork 22 is supported by the frame 20, And connected to the axle 12A of the front wheel 12.  The bicycle 10 travels by transmitting a human driving force to the rear wheels 14 via a driving mechanism 18. The drive mechanism 18 includes a crank 26, A pair of pedals 28, Front rotating body 32, Rear rotating body 34, And chain 36.  The crank 26 includes a crankshaft 38 and a pair of crank arms 40. The crankshaft 38 is rotatably supported by a housing 86 of a bicycle drive unit 80 connected to the frame 20. A pair of crank arms 40 are attached to both axial ends of the crankshaft 38, respectively. The pair of pedals 28 includes a pedal body 28A and a pedal shaft 28B. The pedal shaft 28B is connected to each of the crank arms 40. The pedal body 28A is supported by each of the pedal shafts 28B in a state capable of rotating relative to the pedal shaft 28B.  The front rotating body 32 is connected to the crankshaft 38 via the output portion 30 of the bicycle driving unit 80. Preferably, The front rotating body 32 is provided coaxially with the crankshaft 38. The rear wheel 14 includes a hub (not shown). The hub of the rear wheel 14 is supported at the rear end of the frame 20. In one example, The front rotating body 32 includes a front sprocket, The rear rotating body 34 includes a rear sprocket. The chain 36 is wound around the front rotating body 32 and the rear rotating body 34. In a case where the crank 26 is rotated in one direction by a human driving force applied to the pedal 28, With the front rotating body 32, Chain 36, And rear rotating body 34, The rear wheel 14 also rotates in one direction. In this embodiment, The rear rotating body 34 includes a plurality of rear sprockets having different numbers of teeth.  as shown in picture 2, The bicycle drive system 50 includes a bicycle drive unit 80, Cable 52, And bicycle assembly 54. In one example, The bicycle drive system 50 further includes an operating device 56, Battery unit 58, Torque sensor 60, And vehicle speed sensor 62.  As shown in Figure 3, Cable 52 is a cable within Bowden cable 64. The Bowden wire 64 includes a cable 52 and an outer cable 66. The cable 52 is formed of, for example, at least one of a metal and a synthetic resin. In one example, The cable 52 is formed by including a plurality of prime lines. The cable 52 is arranged in the inner space of the cable 66 outside the hollow, It can move relative to the outer cable 66.  As shown in Figure 1, The bicycle assembly 54 includes a transmission 68. The transmission 68 can change the ratio of the rotation speed of the rear wheel 14 to the rotation speed of the crank 26. The transmission 68 includes a rear transmission. The rear transmission includes a base portion that can be mounted on the frame 20, A movable part capable of moving relative to a base part, A connecting portion connecting the base portion and the movable portion, And a chain guide provided on the movable portion and guiding the chain. The chain guide includes a guide wheel and a tension wheel that are wound by the chain. The transmission 68 is provided near the rear end of the frame 20, The chain 36 is switched between a plurality of rear sprockets included in the rear rotating body 34. One end of the cable 52 shown in FIG. 2 is coupled to the cable connection portion 96 of the cable operating device 84 of the bicycle driving unit 80. The other end of the cable 52 is coupled to the transmission 68. The bicycle assembly 54 includes a cable mounting portion 55 to which the other end portion of the cable 52 is mounted.  The operation device 56 is attached to the handle bar 24. The operation device 56 can be operated by an operator. The operation device 56 includes an operation unit 70 and a communication unit 72. In one example, The operation section 70 is a tie rod. The communication unit 72 and the communication unit 94 (see FIG. 2) of the bicycle drive unit 80 can be connected by wireless communication. When the operation device 56 is operated, An upshift signal or a downshift signal is output from the communication section 72 according to the operation.  As shown in Figure 1, The battery unit 58 includes a battery 74 and a battery holder 76 for detachably mounting the battery 74 on the frame 20. The battery 74 includes one or a plurality of battery cells. The battery 74 includes a rechargeable battery. The battery 74 is electrically connected to the bicycle drive system 50 by a wire. The battery 74 supplies power to the bicycle drive unit 80 and the bicycle assembly 54.  The torque sensor 60 shown in FIG. 2 is capable of communicating with the communication unit 94 of the bicycle drive unit 80 by wire or wireless. The torque sensor 60 outputs a signal corresponding to a human driving force. The torque sensor 60 detects a human driving force applied to the crankshaft 38. The torque sensor 60 may be disposed between the crankshaft 38 and the front rotating body 32, It can also be installed on the crankshaft 38 or the front rotating body 32, It may be provided on the crank arm 40 or the pedal 28. As the torque sensor 60, for example, a strain sensor, Magnetic strain sensor, Optical sensors, And pressure sensors, As long as it is a sensor that outputs a signal corresponding to the human driving force applied to the crank arm 40 or the pedal 28, Any sensor can also be used.  The vehicle speed sensor 62 is capable of communicating with the communication unit 94 of the bicycle drive unit 80 by wire or wireless. The vehicle speed sensor 62 is mounted on the frame 20 shown in FIG. 1. The vehicle speed sensor 62 detects the magnetic force of the magnet M mounted on the rear wheel 14. The vehicle speed sensor 62 outputs a signal corresponding to the relative position to the magnet M to the control section 92. Preferably, The vehicle speed sensor 62 includes a magnetic reed or a Hall element constituting a reed switch. The vehicle speed sensor 62 may be configured to detect a magnet attached to the front wheel 12 and attached to the front fork 22.  As shown in Figures 2 and 3, The bicycle drive unit 80 includes a motor 82 and a cable operating device 84. In one example, The bicycle driving unit 80 further includes an output unit 30, Drive circuit 83, Housing 86, Holding section 88, Guide 90, Control section 92, Memory section 93, Communication Department 94, And detection section 95. Preferably, The bicycle drive unit 80 further includes a crankshaft 38.  The housing 86 houses at least a part of the motor 82. The housing 86 may be configured to contain only a part of the output shaft of the motor 82, It may be the entire structure of the accommodation motor 82. Preferably, The housing 86 houses the motor 82, Drive circuit 83, Cable operating device 84, Control section 92, Memory section 93, And detection section 95. Preferably, At least a part of the communication section 94 is housed in the case 86.  As shown in Figure 3, The case 86 includes a frame connection portion 86A that can be attached to a frame 20 (see FIG. 1) of the bicycle 10. Preferably, a plurality of frame connecting portions 86A are provided. The frame connection portion 86A is provided on the outer peripheral portion of the case 86. The frame connection portion 86A includes a hole 86B into which a bolt (not shown) is inserted. The housing 86 further includes a hole 86C into which the crankshaft 38 is inserted. The housing 86 supports a crankshaft 38 of the bicycle 10. The housing 86 supports the crankshaft 38 via a bearing (not shown).  The motor 82 shown in FIG. 2 assists the propulsion of the bicycle 10. The motor 82 includes an electric motor. The motor 82 transmits the output torque of the motor 82 to the output unit 30. The driving circuit 83 includes an inverter circuit, The current supplied to the motor 82 is controlled based on a command from the control unit 92. The power transmission path between the motor 82 and the output section 30, A first one-way clutch (not shown) is provided so that the crankshaft 38 is rotated in the forward direction of the bicycle 10 without rotating the motor 82 by the torque of the crank 26. The bicycle drive unit 80 may further include a speed reducer that reduces the rotation of the motor 82 and outputs the speed to the output unit 30. The bicycle driving unit 80 may further include a second one-way clutch (not shown) in a power transmission path disposed between the crankshaft 38 and the output unit 30. When the second one-way clutch rotates the crankshaft 38 in the direction in which the bicycle 10 is advanced, Transmitting the torque of the crank 26 to the output portion 30, When the crankshaft 38 is rotated in a direction opposite to the direction in which the bicycle 10 advances, The torque of the crank 26 is not transmitted to the output portion 30.  The cable operating device 84 shown in FIG. 3 operates a cable 52 that can be connected to the bicycle assembly 54. The cable operation device 84 further includes a cable connection portion 96 and an electric actuator 98. The cable operation device 84 is provided in the case 86. At least a part of the cable operation device 84 is housed inside the casing 86. In one example, The entire cable operation device 84 is housed inside the casing 86.  As shown in Figure 4, The cable connecting portion 96 of the cable operating device 84 is in a state where the casing 86 is provided on the bicycle 10, It is disposed at a position offset from the center C of the frame 20 of the bicycle 10 in a direction in which the crankshaft 38 of the bicycle 10 extends. The center C of the frame 20 of the bicycle 10 is equal to the center of the crankshaft 38 in the axial direction. At the center C through the frame 20 of the bicycle 10, When the cable mounting portion 55 of the bicycle assembly 54 is disposed on one side of the first plane perpendicular to the direction in which the crankshaft 38 extends, Preferably, The cable connection portion 96 of the cable operation device 84 is also disposed on one side of the first plane. E.g, When the cable mounting portion 55 of the bicycle assembly 54 is disposed at a position shifted to the right from the center C of the frame 20 of the bicycle 10 toward the traveling direction of the bicycle 10, The cable operating device 84 is disposed at a position shifted to the right from the center C of the frame 20 of the bicycle 10 toward the traveling direction of the bicycle 10. The cable operation device 84 may be disposed at a position of the center C of the frame 20 including the bicycle 10.  Cable operating device 84, Holding section 88, The guide unit 90 is in a state where the drive unit 80 is mounted on the bicycle 10, Can be placed on the front end of the bicycle 10 in the direction of travel, Rear part, Any of the middle. The cable operating device 84 is in a state where the drive unit 80 is mounted on the bicycle 10, It can also be placed on the top of the drive unit 80, Any of the lower ends.  Preferably, The holding portion 88 is in a state where the case 86 is provided on the bicycle 10, It is disposed at a position offset from the center C of the frame 20 of the bicycle 10 in a direction in which the crankshaft 38 of the bicycle 10 extends.  The cable connecting portion 96 shown in FIG. 3 can be connected to the cable 52, And the cable 52 can be operated by rotation. The cable connection portion 96 includes a cylindrical portion 96A, And an engaging portion (not shown) provided at an outer peripheral portion 96B around the axis X1 of the cylindrical portion 96A and used to hook the end of the cable 52. A groove is formed in the outer peripheral portion 96B of the cylindrical portion 96A and extends at the end of the cable 52 in the circumferential direction. The cylindrical portion 96A is not completely cylindrical. For example, it may be formed in a cylindrical shape having a semicircular cross section. The cable connection portion 96 is rotatably supported by the case 86. An electric actuator 98 is connected to the cable connection portion 96.  The electric actuator 98 is different from the motor 82. The electric actuator 98 is supported in the housing 86 to accommodate the first portion 87 of the cable operation device 84. In one example, The electric actuator 98 includes an electric motor. The electric actuator 98 transmits torque to the cable connection portion 96. The electric actuator 98 can directly transmit torque to the cable connection portion 96, The cable operating device 84 may further include a speed reducer, It is transmitted to the cable connection portion 96 via a reduction gear (not shown). In one example, The speed reducer includes at least one of a worm gear and a planetary gear mechanism. The cable operating device 84 may further include suppressing or preventing transmission of the torque of the electric actuator 98 to the cable connecting portion 96, Furthermore, the clutch mechanism that transmits the torque of the cable connection portion 96 to the electric actuator 98 is suppressed or prevented. The electric actuator 98 can rotate the cylindrical portion 96A in two directions around the axis X1. The cable 52 is operated by rotating the cylindrical portion 96A around the axis X1. By supplying electric power to the electric actuator 98, The rotation phase of the cylindrical portion 96A can be adjusted.  As shown in Figure 5, The holding portion 88 is provided on the case 86. The holding portion 88 is configured to be able to hold the end portion of the outer cable 66. In one example, The holding portion 88 has a through hole 88A. The through hole 88A includes a first hole 88B into which the outer cable 66 can be inserted, And a second hole 88C connected to the first hole 88B and smaller than the diameter of the outer cable 66 and larger than the diameter of the cable 52. In a state where the outer cable 66 is held by the holding portion 88, The cable 52 is inserted through the second hole 88C. In the holding section 88, In order to insert the outer cable 66 into the first hole 88B from a direction perpendicular to the direction in which the through hole 88A extends, A slit connected to the first hole 88B may be formed.  The guide portion 90 is provided on the housing 86, And guide the cable 52. The guide portion 90 is provided on the path of the cable 52 between the cable operating device 84 and the bicycle assembly 54. In this embodiment, The guide portion 90 is provided between the cable operation device 84 and the holding portion 88. The guide portion 90 contacts the cable 52 and guides the movement of the cable 52. The guide portion 90 includes a groove 90A provided in the case 86. Preferably, The groove 90A is bent so that the direction in which the cable 52 extends can be switched by inserting the cable 52 into the groove 90A. Preferably, The buckled portion of the groove 90A is formed by a curved surface. Preferably, The guide portion 90 is provided at a position where the conversion cable 52 extends.  The control unit 92 shown in FIG. 2 includes an arithmetic processing device that executes a predetermined control program. The arithmetic processing device includes, for example, a CPU (Central Processing Unit, Central Processing Unit) or MPU (Micro Processing Unit, Microprocessor unit). The control unit 92 may include one or a plurality of microcomputers. The control unit 92 controls the cable operation device 84. The control unit 92 controls the cable operation device 84 based on the information input to the communication unit 94. The control unit 92 controls the motor 82. The control unit 92 controls the motor 82 based on the outputs of the torque sensor 60 and the vehicle speed sensor 62.  The memory unit 93 includes, for example, a non-volatile memory and a volatile memory. The memory section 93 stores various control programs and information used in various control processes. The storage unit 93 stores information related to the amount of movement of the cable 52 required for the bicycle unit 54 to perform a specific operation. The control unit 92 can change information related to the amount of movement of the cable 52 stored in the storage unit 93 in accordance with the operation of the external device P. In this embodiment, The amount of movement of the cable 52 is set in accordance with the interval between the adjacent sprockets. The external device P includes, for example, a personal computer, Tablet PC (personal computer), And smartphones. The external device P can communicate with the control unit 92 via the communication unit 94 by wire or wireless, The content of the memory section 93 is changed.  The communication unit 94 can communicate with the operation device 56. The communication section 94 can wirelessly communicate with the operation device 56. The communication section 94 receives an upshift signal and a downshift signal output from the communication section 72 of the operation device 56.  The detection section 95 detects the movement of the cable 52. The detection unit 95 includes, for example, a rotary encoder. In that case, The detection section 95 will be connected to the cable connection section 96, Electric actuator 98, Or the signal corresponding to the rotation angle of the gear included in the reduction gear is output to the control section 92. The control unit 92 can grasp the amount of movement of the cable 52 by the output of the detection unit 95. The control unit 92 determines whether the movement of the cable 52 is normally performed based on the output of the detection unit 95. in particular, The control unit 92 calculates the amount of movement of the cable 52 based on the output of the detection unit 95, Moving time, And at least one of the loads applied to the cable 52, And compared with the information previously stored in the memory section 93, This determines whether the movement of the cable 52 is normally performed. After the control unit 92 controls the electric actuator 98 based on the information related to the amount of movement of the cable 52 stored in the memory unit 93, When the actual amount of movement of the cable 52 detected by the detection section 95 does not match the amount of movement of the cable 52 based on the information stored in the memory section 93, In a manner that the actual amount of movement of the cable 52 matches the amount of movement of the cable 52 based on the information stored in the memory section 93, The information related to the amount of movement of the cable 52 stored in the memory section 93 is changed.  The cable operating device 84 operates the electric actuator 98 to operate the cable 52. in particular, When the electric actuator 98 is operated, the cable connection portion 96 is rotated. The cable 52 is wound around the cable connection portion 96 according to the rotation direction of the cable connection portion 96, Alternatively, it may be drawn from the cable connection portion 96. The speed changer 68 moves the movable part relative to the frame 20 according to the moving direction and moving amount of the cable 52, From one rear sprocket, the chain 36 is switched to a larger diameter sprocket or a smaller diameter sprocket.  The control section 92 controls the cable operating device 84 as follows, which is, After the cable 52 is moved by the first amount of movement in one of the first direction and the second direction opposite to the first direction, The cable 52 is moved in the other of the first direction and the second direction by a second movement amount that is smaller than the first movement amount. The chain guide of the transmission is operated to a position corresponding to each sprocket by a cable operating device 84. However, there is a position of the chain guide portion (hereinafter, (Referred to as "the first position") and the position of the chain guide portion (hereinafter, (Called "second position"). The first moving amount is larger than the moving amount of the cable when the chain guide moves from the first position corresponding to one sprocket to the first position corresponding to the other sprocket among the two adjacent sprocket wheels. The first movement amount is smaller than that of the cable 52 when the chain guide is moved from the first position corresponding to the sprocket with the fewest teeth to the first position corresponding to the sprocket with the most teeth among the three adjacent sprockets. The amount of movement. Especially when the chain 36 is switched from a sprocket with a small number of teeth to a sprocket with a large number of adjacent teeth, The second position corresponding to a sprocket with a large number of teeth may be further away from the sprocket with a small number of teeth than the first position corresponding to a sprocket with a large number of teeth. therefore, When the chain 36 is switched from a sprocket with fewer teeth to a sprocket with more teeth, Preferably, The chain guide moves to a second position corresponding to a sprocket with a large number of teeth by a first position corresponding to a sprocket with a large number of teeth. Preferably, The first movement amount is set to the movement of the cable 52 when the chain guide moves from the first position corresponding to one sprocket to the second position corresponding to the other sprocket among the two adjacent sprockets. the amount. Preferably, The second moving amount is set as the moving amount of the cable when the chain guide is moved from the second position corresponding to one sprocket to the first position.  The first direction and the second direction can also be changed during upshift and downshift. If the control unit 92 receives an upshift signal or a downshift signal, Then, only when the chain 36 is switched from a sprocket with fewer teeth to a sprocket with more teeth, After moving the cable 52 in the first direction or the second direction by the first amount of movement, The cable 52 is moved by the second movement amount in the other of the first direction and the second direction. In that case, When the control unit 92 switches the chain 36 from a sprocket with a large number of teeth to a sprocket with a small number of teeth, The cable 52 is moved by the first movement amount in the other of the first direction and the second direction.  (Second Embodiment) Referring to Figs. 6 and 7, A bicycle driving system 50 according to the second embodiment will be described. The bicycle driving system 50 according to the second embodiment is the one in which the bicycle driving unit 100 and the cable operating device 110 are separately provided. The same as the bicycle drive system 50 of the first embodiment, Therefore, the components common to the first embodiment are marked with the same symbols as the first embodiment. Repeated description is omitted.  As shown in Figure 6, The bicycle driving unit 100 includes a motor 82 and a mounting portion 102 to which a cable operating device 110 can be mounted. The mounting portion 102 is disposed on the casing 86. The mounting portion 102 is provided on an outer peripheral portion of the case 86. Preferably, The mounting portion 102 is disposed at a position offset from the center C of the frame 20 of the bicycle 10 in a direction in which the crankshaft 38 of the bicycle 10 extends. Preferably, When the mounting portion 102 passes the center C of the frame 20 of the bicycle 10 and the cable mounting portion 55 of the bicycle assembly 54 is disposed on one side of the first plane perpendicular to the crankshaft 38, Preferably, The mounting portion 102 of the cable operation device 84 is also arranged on one side of the first plane. E.g, When the cable mounting portion 55 of the bicycle assembly 54 is disposed at a position shifted to the right from the center C of the frame 20 of the bicycle 10 toward the traveling direction of the bicycle 10, The mounting portion 102 is disposed at a position shifted to the right from the center C of the frame 20 of the bicycle 10 toward the traveling direction of the bicycle 10. The mounting portion 102 may be disposed at a position of the center C of the frame 20 including the bicycle 10. In one example, The mounting portion 102 includes a hole 102A into which the bolt B can be inserted. Preferably, A thread is formed on the inner peripheral surface of the formation hole 102A. Preferably, A plurality of holes 102A are provided at intervals.  As shown in Figure 7, The cable operation device 110 includes a cable connection portion 96, Electric actuator 98, And support section 112. The cable operation device 110 may further include a speed reducer and a detection unit 95. The cable operation device 110 can be attached to and detached from the case 86. The cable operation device 110 further includes a second connector that can be attached to and detached from the first connector connected to the control unit 92. The second connector is electrically connected to the electric actuator via a wire. The first connector is electrically connected to the control unit 92 via a wire. The first connector can be installed in the internal space of the housing 86, It may be provided so as to be exposed outside the casing 86. The support section 112 supports the cable connection section 96 and the electric actuator 98. When the cable operating device 110 includes a speed reducer and a detection unit 95, The support section 112 also supports the reducer and the detection section 95. The support section 112 includes a housing, In a state where the support portion 112 is mounted on the driving unit 100, The casing covers the cable connecting portion 96 and the electric actuator 98 so that they are not exposed to the outside. Preferably, Even when the housing of the support portion 112 is removed from the driving unit 100, The cable connecting portion 96 and the electric actuator 98 are also covered so as not to be exposed to the outside. A hole (not shown) through which the cable 52 is inserted is formed in the housing of the support portion 112. The support section 112 includes a mounting section 112A. The attachment portion 112A is configured to be attachable to the attachment portion 102 of the bicycle drive unit 100 by a bolt B. The mounting portion 112A includes a hole 112B through which the bolt B is inserted. Preferably, A plurality of holes 112B are provided at intervals on the outer peripheral portion of the support portion 112. The cable operation device 110 may be fixed to the mounting portion 102 in a state of being mounted on the mounting portion 102. An example of the fixing method is welding or bonding using an adhesive.  (Modifications) The descriptions related to the above embodiments are examples of the forms that the bicycle drive system and bicycle drive unit of the present invention can take, It is not intended to limit its shape. The bicycle drive system and the bicycle drive unit of the present invention can take, for example, modified examples of each of the above-mentioned embodiments, And at least two variations that do not contradict each other.  ・ The cable operation device 84 of the first embodiment may be installed outside the casing 86 as shown in FIG. 8. Furthermore, In this modification, a cover 85 covering the cable operation device 110 may be further provided.  -A plurality of cable operating devices 84 may be provided in the bicycle driving unit 80 of the first embodiment.  -The cable operating device 110 may be mounted on the bicycle drive unit 80 of the first embodiment and further the mounting portion 102 of the second embodiment. In that case, Cable operating device 84, The 110 can also operate different types of bicycle components.  ・ The bicycle drive unit 100 according to the second embodiment may be changed as shown in FIG. 9. The mounting portion 102 of the bicycle driving unit 100 of FIG. 9 is provided inside the casing 86. The cable operation device 110 is housed in an internal space of the casing 86. A hole 86D is provided in the casing 86 for taking out the cable 52 to the outside of the casing 86. The guide portion 90 may be provided in an inner space of the case 86.  ・ The bicycle drive unit 100 according to the second embodiment may be changed as shown in FIG. 10. The bicycle drive unit 100 of FIG. 10 includes a plurality of mounting portions 102. The plurality of mounting portions 102 may be respectively disposed on different faces of the housing 86 of the bicycle driving unit 100, It can also be set on the same surface. also, It is also possible to provide at least one mounting portion 102 inside the housing 86, At least one mounting portion 102 is provided on the outer peripheral portion of the case 86. A cable operating device 110 is provided in each mounting portion 102 for operating cables 52 connected to different bicycle components.  ・ In each embodiment, The guide portion 90 may be formed separately from the case 86. E.g, The guide portion 90 including the groove 90A is provided in the housing 86 by a bolt or the like. When the guide portion 90 is formed separately from the case 86, The guide portion 90 may be detachably provided in the case 86.  ・ Bike drive unit 80, 100 may include a plurality of guide portions 90. In that case, Preferably, For the bicycle drive unit 80, 100 is installed in the frame, The guide portion 90 provided at the position closest to the bicycle assembly 54 is in a state where the housing 86 is provided on the bicycle 10. It is disposed at a position offset from the center C of the frame 20 of the bicycle 10 in a direction in which the crankshaft 38 of the bicycle 10 extends.  ・ Bike drive unit 80, 100 may include a plurality of holding portions 88. In that case, Preferably, In a state where the casing 86 is set on the bicycle 10, The plurality of holding portions 88 are arranged at positions offset from the center C of the frame 20 of the bicycle 10 in a direction in which the crankshaft 38 of the bicycle 10 extends. Preferably, The plurality of holding portions 88 are provided on the housing 86 such that the directions in which the first holes 88B extend are different from each other.  ・ Also available from bicycle drive unit 80, 100 omits at least one of the holding portion 88 and the guide portion 90. When the holding portion 88 is not provided, When the guide portion 90 is provided, Preferably, the guide portion 90 is in a state where the housing 86 is provided on the bicycle 10, It is disposed at a position offset from the center C of the frame 20 of the bicycle 10 in a direction in which the crankshaft 38 of the bicycle 10 extends.  ・ Bike driving unit 80, The guide portion 90 of 100 is changed to the guide portion 120 shown in FIG. 11. The guide 120 includes a roller 120A capable of rotating with respect to the housing 86. The roller 120A may be detachably provided in the housing 86, It may be provided inseparably from the case 86. The roller 120A rotates about the central axis X2. A groove 120D extending in the circumferential direction and capable of inserting the cable 52 is formed on the outer peripheral portion 120C of the roller 120A. The cable 52 can be wound around the roller 120A to change the direction of extension. The guide portion 90 may include both the groove 90A and the roller 120A.  ・ Bike drive unit 80, The communication section 94 of 100 may be connected to the communication section 72 of the operation device 56 by wire. Drive unit for bicycle 80, The communication section 94 of 100 and the communication section 72 of the operation device 56 are connected by, for example, a power communication line. And PLC (Power Line Communication, Power Line Communication) communication. In that case, The communication unit 94 and the communication unit 72 function as ports of the PLC.  ・ Bike drive unit 80, The communication unit 94 of 100 can communicate with a sensor that detects the state of the bicycle 10. In one example, The sensor for detecting the state of the bicycle 10 is a torque sensor 60 or a vehicle speed sensor 62. In that case, The control unit 92 may also control the cable operating device 84 based on the output of a sensor that detects the state of the bicycle 10.  ・ Cable operating device 84, 110 may include a control unit and a memory unit separately from the control unit 92 and the memory unit 93 of the drive unit 80. In that case, Preferably, With cable operating device 84, Information related to the operation of 110 is stored in the cable operating device 84, Memory of 110. Preferably, With cable operating device 84, The control related to the operation of 110 is through the cable operating device 84, 110 control unit. In that case, Cable operating device 84, The control unit 110 may be configured to communicate with the control unit 92 of the drive unit 80.  ・ For bicycle drive unit 80, 100, The control unit 92 may also control the cable operating device 84 as follows, which is, After the cable 52 is moved for a third amount in one of the first direction and the second direction opposite to the first direction, The cable 52 is moved by a fourth movement amount in one of the first direction and the second direction. The third moving amount is smaller than the moving amount of the cable 52 when the chain guide moves from the first position corresponding to one sprocket to the first position corresponding to the other sprocket among the two adjacent sprockets. The fourth movement amount is smaller than the third movement amount. Especially when the chain 36 is switched from a sprocket with a larger number of teeth to a sprocket with a smaller number of adjacent teeth, The second position corresponding to a sprocket with a small number of teeth may be closer to the sprocket with a larger number of teeth than the first position corresponding to a sprocket with a small number of teeth. therefore, When the chain 36 is switched from a sprocket with more teeth to a sprocket with fewer teeth, Preferably, Before the chain guide reaches the first position corresponding to the sprocket with a small number of teeth, Move to the second position corresponding to the sprocket with a smaller number of teeth. Preferably, The third movement amount is set to the movement of the cable 52 when the chain guide moves from the first position corresponding to one sprocket to the second position corresponding to the other sprocket among the two adjacent sprockets the amount. Preferably, The fourth moving amount is set as the moving amount of the cable 52 when the chain guide is moved from the second position corresponding to one sprocket to the first position.  The control unit 92 may also switch between the control of the cable operation device 84 of the modified example and the control of the cable operation device 84 of the first embodiment. The control unit 92 may also increase or decrease speed according to the gear ratio. The control of the cable operation device 84 of this modification and the control of the cable operation device 84 of the first embodiment are switched.  ・ In each embodiment, The control unit 92 may also be set to receive an upshift signal or a downshift signal, Whenever an upshift signal or a downshift signal is received, the cable is operated in the first direction or the second direction by only the first movement amount. at this time, Preferably, The control unit 92 does not move the cable 52 in both the first direction and the second direction, Or the movement of the cable 52 is not stopped halfway.  ・ Cable operating device 84, 110 may also include the ability to connect to cable 52, The cable connecting portion 96 of the cable 52 can be operated by moving in a specific direction. In that case, Cable operating device 84, 110 can also include ball screw mechanism or rack and pinion mechanism, The cable connecting portion 96 is moved in a specific direction in accordance with the operation of the electric actuator 98. also, Self-cable operating device 84, The 110 to electric actuators 98 may be configured to include a linear actuator.  ・ Bike driving unit 80, 100 cable operating device 84, 110 is changed to the cable operation device 130 shown in FIG. The cable operating device 130 of FIG. 12 operates the cable 52 using a human driving force input to the crank 26 of the bicycle 10. The cable operation device 130 includes a cable connection portion 96 and a clutch 132. The clutch 132 is provided between the crank 26 and the cable connection portion 96. The clutch 132 can switch between the first state in which the human driving force input to the crank 26 is transmitted to the cable connection portion 96 and the second state in which it is not transmitted. The cable operating device 130 operates the cable 52 by controlling the clutch 132. The clutch 132 is controlled by an electric actuator 133. According to the operation of the operation section 70, The control unit 92 controls the electric actuator 133 to switch the connection state of the clutch 132. The clutch 132 transmits the rotational force to the cable connecting portion 96 when the crankshaft 38 rotates forward, Further, the rotational force during the reverse rotation of the crankshaft 38 is not transmitted to the cable connection portion 96. The cable connection portion 96 includes a positioning mechanism. The positioning mechanism can hold the cylindrical portion 96A of the cable connection portion 96 at a plurality of rotation positions. The positioning mechanism includes, for example, a claw, Ratchet and spring. Electric actuator 133 controls the claws of the positioning mechanism, Without transmitting the rotation of the crankshaft 38 to the cable connection portion 96, The cable is operated by rotating the cable connection portion 96 by a spring. The cable operating device 130 may also operate the cable 52 using the output torque of the motor 82. In a case where the cable operation device 130 is operated with a force lower than the output portion 30, The cable operating device 130 operates the cable 52 by the combined force of the human driving force input to the crank 26 and the output torque of the motor 82.  ・ In each embodiment, The transmission 68 of the bicycle assembly 54 may include a front transmission instead of the rear transmission, Or it can also include a rear derailleur and a front derailleur. When the transmission 68 includes a front transmission, The front rotating body 32 includes a plurality of front sprockets. In the case where the transmission 68 does not include a rear transmission, The rear rotating body 34 includes one rear sprocket. When the transmission 68 includes a rear transmission and a front transmission, Drive unit for bicycle 80, 100 may also include only one cable operating device 84, 110 while operating one of the rear transmission and the front transmission, May also include 2 cable operating devices 84, 110 while operating both the rear and front transmissions.  ・ In each embodiment, The transmission 68 of the bicycle assembly 54 can also replace the rear transmission, It includes a built-in transmission and a connecting portion connected to the built-in transmission. In one example, The built-in transmission is provided on the axle of the rear wheel 14. An end portion of the cable 52 is connected to the connection portion. The power transmission path included in the built-in transmission is switched by the rotation of the connecting portion, The ratio of the rotation speed of the rear wheel 14 to the rotation speed of the crankshaft 38 is changed. When the bicycle assembly 54 includes a built-in transmission, It can also be set that the front rotating body 32 includes a front pulley, The rear rotating body 34 includes a rear pulley connected to the front rotating body 32 by a belt. When the bicycle assembly 54 includes a built-in transmission, It can also be set that the front rotating body 32 includes a front helical gear, The rear rotating body 34 includes a rear helical gear connected to the front rotating body 32 via a drive shaft.  ・ In each embodiment, The transmission 68 of the bicycle assembly 54 may include a rear transmission, At least two of the front transmission and the built-in transmission. When the rear transmission and built-in transmission are included, The built-in transmission can also be installed on the axle of the rear wheel 14, It may be provided in the driving unit 80. When the control section 92 controls the built-in transmission, It is preferably set as follows, which is, If the control unit 92 receives an upshift signal or a downshift signal, Whenever an upshift signal or a downshift signal is received, the cable 52 is operated in the first direction or the second direction by only the first movement amount. at this time, Preferably, The control unit 92 does not move the cable 52 in both the first direction and the second direction, Or the movement of the cable 52 is not stopped halfway.  ・ In each embodiment, As shown in Figure 13, The bicycle assembly 54 may include a seat tube assembly 140 instead of the transmission 68. An end of the cable 52 is connected to the seat post assembly 140. The seat post assembly 140 is capable of using the cable operating device 84, 110 operates the cable 52 to change the height of the seat tube. When the operation device 56 is operated, A first signal for changing the position of the seat tube is output from the communication section 72. When the operation device 56 is released from the operation of the operation unit 70, The output from the communication unit 72 is used to stop the output of the first signal, Or the second signal to stop changing the position of the seatpost. When the control unit 92 receives the first signal, Control the cable operating device 84, 110, the person moving the cable in one of the first direction and the second direction operates only the first movement amount. at this time, Preferably, The control unit 92 does not move the cable 52 in both the first direction and the second direction, Or the movement of the cable 52 is not stopped halfway. When the control unit 92 stops receiving the first signal, Or when the second signal is received, Control cable operating device 84, 110, the other of the first direction and the second direction of the cable is operated only by the first movement amount. In that case, Preferably, The control unit 92 does not move the cable 52 in both the first direction and the second direction, Or the movement of the cable 52 is not stopped halfway.  ・ In each embodiment, As shown in Figure 14, The bicycle assembly 54 may include a shock absorber 142 instead of the transmission 68. An end portion of the cable 52 is connected to a connection portion of the shock absorber 142. The shock absorber 142 includes a front shock absorber provided at the front fork 22 to attenuate an impact applied to the front wheel 12, And at least one of the shock absorbers provided on the frame 20 to attenuate the impact applied to the rear wheels 14. The shock absorber 142 can be configured to switch, for example, a first state in which the function of the shock absorber 142 is restricted and a second state in which the function of the shock absorber 142 is released. The operation device 56 is operated according to the operation of the operation unit 70, A first signal for setting the shock absorber 142 to the first state or a second signal for setting the shock absorber 142 to the second state is output from the communication unit 72. When the control unit 92 receives the first signal, Control the cable operating device 84, 110, and the person moving the cable 52 in one of the first direction and the second direction operates only the first movement amount. at this time, Preferably, The control unit 92 does not move the cable 52 in both the first direction and the second direction, Or the movement of the cable 52 is not stopped halfway. When the control unit 92 stops receiving the first signal, Or when the second signal is received, Control cable operating device 84, 110, the other of the first direction and the second direction of the cable is operated only by the first movement amount. at this time, Preferably, The control unit 92 does not move the cable in both the first direction and the second direction, Or do not stop the movement of the cable halfway.  ・ In each embodiment, As shown in Figure 15, The bicycle assembly 54 may include a braking device 144 instead of the transmission 68. An end portion of the cable 52 is connected to the braking device 144. The brake device 144 includes a brake device before braking the front wheel 12, And at least one of the braking devices after braking the rear wheel 14. The front brake device and the rear brake device are Caliper brakes, Cantilever brakes, It is constituted by at least one of the drum brake devices. The brake device 144 is operated by using a cable 84, 110 operates the cable 52 to switch the state of braking the front wheel 12 or the rear wheel 14 and the state of not braking the front wheel 12 or the rear wheel 14. It can also be set as follows, which is, Cable operating device 84, The cable 52 of 110 includes 2 cables 52, Each cable 52 is connected to the front brake device and the rear brake device, Activate both brakes simultaneously. When the operation device 56 operates the operation portion 70, The communication unit 72 outputs a cable operation device 84, 110 The first signal of the cable 52 is stretched. When the operation device 56 is released from the operation of the operation unit 70, A second signal is output from the communication unit 72 to return the stretched cable 52 to its original position.  When the control unit 92 receives the first signal, Control the cable operating device 84, 110, and the person moving the cable 52 in one of the first direction and the second direction operates only the first movement amount. at this time, Preferably, The control unit 92 does not move the cable 52 in both the first direction and the second direction, Or the movement of the cable 52 is not stopped halfway. When the control unit 92 stops receiving the first signal, Or when the second signal is received, Control cable operating device 84, 110, and the other of the cable 52 in the first direction and the second direction is operated only by the first movement amount. at this time, Preferably, The control unit 92 does not move the cable 52 in both the first direction and the second direction, Or the movement of the cable 52 is not stopped halfway.  ・ Operating device 84, 110 may further include an operation amount detection unit that detects an operation amount of the operation unit 70. The control unit 92 of the drive unit 80 may also receive information detected by the operation amount detection unit, The cable 52 is moved in accordance with the operation amount of the operation section 70.  ・ For bicycle drive unit 80, 100, It can be changed to not transmit the torque of the motor 82 to the output unit 30, Instead, the output torque of the motor 82 is transmitted to the chain 36 on the downstream side in the forward rotation direction of the front sprocket. In that case, It may further include a pulley transmitting torque of the motor 82, The output torque of the motor 82 is transmitted to the chain 36 via a pulley.  ・ The cable operating device 84 may be omitted from the bicycle driving unit 80 of the first embodiment. also, The mounting portion 102 may be omitted from the bicycle driving unit 100 according to the second embodiment. In that case, Drive unit for bicycle 80, 100 includes a motor 82 and a guide portion 90. Cable operating device 84, 110 is based on the ability to use bolts, The belt is configured to be attached to other components of the bicycle 10 or the frame 20. In one example, The other components of the bicycle 10 are the operating device 56. In that case, The cable 52 is operated by a bicycle driving unit 80, 100 of the guide 90 guides, And connected to the bicycle assembly 54.  ・ In each embodiment and the above-mentioned modifications, The bicycle assembly 54 includes a transmission, Seatpost assembly, Shock Absorbers, And at least one of the brakes, However, any two or more may be included. Including transmission 68, Seatpost assembly, Shock Absorbers, And two or more of the brakes, According to its quantity, A cable operating device 84 is provided in the driving unit 80, 110, 130. E.g, With a cable operating device 84, 110, 130 while operating the transmission 68, And by other cable operating devices 84, 110, 130 while operating the seatpost assembly. also, Preferably, the transmission 68 can be individually operated. Seatpost assembly, Shock Absorbers, And the way of the braking device, A plurality of operation sections 70 are also provided.

10‧‧‧ Bicycle

12‧‧‧ front wheel

12A‧‧‧ axle

14‧‧‧ rear wheel

16‧‧‧Bicycle body

18‧‧‧Drive mechanism

20‧‧‧Frame

22‧‧‧ Fork

24‧‧‧Handlebar

24A‧‧‧Stem

26‧‧‧Crank

28‧‧‧ pedal

28A‧‧‧pedal body

28B‧‧‧ pedal shaft

30‧‧‧Output Department

32‧‧‧ front rotating body

34‧‧‧ rear rotating body

36‧‧‧Chain

38‧‧‧ crankshaft

40‧‧‧ crank arm

50‧‧‧Bike driving system

52‧‧‧cable

54‧‧‧ Bicycle components

55‧‧‧Cable installation department

56‧‧‧Operating device

58‧‧‧battery unit

60‧‧‧Torque sensor

62‧‧‧vehicle speed sensor

64‧‧‧ Bowden Line

66‧‧‧outer cable

68‧‧‧Speed changer

70‧‧‧Operation Department

72‧‧‧ Ministry of Communications

74‧‧‧ Battery

76‧‧‧ Battery holder

80‧‧‧Bike drive unit

82‧‧‧ Motor

83‧‧‧Drive circuit

84‧‧‧cable operating device

86‧‧‧shell

86A‧‧‧Frame Connection Department

86B‧‧‧hole

86C‧‧‧hole

86D‧‧‧hole

87‧‧‧ Part 1

88‧‧‧holding department

88A‧‧‧through hole

88B‧‧‧1st hole

88C‧‧‧The second hole

90‧‧‧Guide

90A‧‧‧slot

92‧‧‧Control Department

93‧‧‧Memory Department

94‧‧‧ Ministry of Communications

95‧‧‧Testing Department

96‧‧‧cable connection

96A‧‧‧Cylinder

96B‧‧‧ Peripheral

98‧‧‧ Electric actuator

100‧‧‧Bike drive unit

102‧‧‧Mounting Department

102A‧‧‧hole

110‧‧‧cable operating device

112‧‧‧Support Department

112A‧‧‧Mounting Department

112B‧‧‧hole

120‧‧‧Guide

120A‧‧‧roller

120C‧‧‧ Peripheral

120D‧‧‧slot

130‧‧‧cable operating device

132‧‧‧Clutch

133‧‧‧ Electric actuator

140‧‧‧Seatpost assembly

142‧‧‧Shock absorber

144‧‧‧Brake device

B‧‧‧ Bolt

C‧‧‧ Central

M‧‧‧ Magnet

P‧‧‧External device

X1‧‧‧ axis

FIG. 1 is a side view of a bicycle including a bicycle driving system according to the first embodiment. FIG. 2 is a block diagram showing the electrical configuration of the bicycle drive system of FIG. 1. FIG. FIG. 3 is a side view of the bicycle driving unit of FIG. 1. FIG. FIG. 4 is a plan view of the bicycle driving unit of FIG. 1. FIG. Fig. 5 is an enlarged partial side view of the vicinity of the guide portion of Fig. 3; Fig. 6 is a side view of a bicycle drive unit according to a second embodiment. Fig. 7 is a side view of a cable operating device according to a second embodiment. Fig. 8 is a side view of a bicycle drive unit according to a first modification. Fig. 9 is a plan view of a bicycle drive unit according to a second modification. Fig. 10 is a plan view of a bicycle drive unit according to a third modification. FIG. 11 is a partial side view of the vicinity of a guide portion of a bicycle drive unit according to a fourth modification. FIG. 12 is a schematic diagram showing a transmission path of a driving force of a bicycle driving system according to a fifth modified example. Fig. 13 is a block diagram showing the electrical configuration of a bicycle drive system according to a sixth modification. Fig. 14 is a block diagram showing the electrical configuration of a bicycle drive system according to a seventh modification. Fig. 15 is a block diagram showing the electrical configuration of a bicycle drive system according to an eighth modification.

Claims (43)

A bicycle drive unit includes: a motor that assists the advancement of a bicycle; and a cable operating device that operates a cable that can be connected to a bicycle component. The bicycle drive unit according to claim 1, wherein the cable operating device includes a cable connecting portion that can be connected to the cable and can operate the cable by rotation. The bicycle driving unit according to claim 1, wherein the cable operating device includes a cable connecting portion that can be connected to the cable and can operate the cable by moving in a specific direction. The bicycle drive unit according to any one of claims 1 to 3, further comprising a housing that houses at least a part of the motor, and the cable operating device is provided in the housing. The bicycle driving unit according to claim 4, wherein at least a part of the cable operating device is housed inside the casing. The bicycle drive unit according to claim 4, further comprising a guide portion provided in the housing and guiding the cable. The bicycle drive unit according to claim 6, further comprising a plurality of the guide portions. The bicycle drive unit according to claim 6, wherein the guide portion includes at least one of a groove provided in the housing and a roller capable of rotating relative to the housing. The driving unit for a bicycle according to claim 4, wherein the housing includes a frame connecting portion that can be mounted on a frame of the bicycle. The bicycle drive unit according to claim 4, wherein the housing supports the crankshaft of the bicycle. The bicycle driving unit according to claim 10, wherein the cable connecting portion of the cable operating device is arranged in a state where the casing is provided on the bicycle, and is disposed on a frame of the bicycle in a direction in which the crankshaft of the bicycle extends. The position of the center offset. The bicycle drive unit according to any one of claims 1 to 3, further comprising a detection unit that detects the movement of the cable. The bicycle drive unit according to any one of claims 1 to 3, further comprising a control unit that controls the cable operating device. The bicycle drive unit according to claim 13, wherein the control unit controls the motor. For example, the bicycle driving unit of claim 13 further includes a communication unit capable of communicating with at least one of an operation device operable by an operator and a sensor that detects the state of the bicycle, and the control unit is input to the communication unit according to the input. Information to control the above-mentioned cable operating device. The bicycle driving unit according to claim 15, wherein the communication unit can wirelessly communicate with at least one of the operation device and the sensor. For example, the bicycle driving unit of claim 13 further includes a memory unit that stores information related to the amount of movement of the cable required for the bicycle component to perform a specific operation, and the control unit can be based on The information related to the moving amount of the cable stored in the memory section is changed by the operation of an external device. The bicycle driving unit according to claim 13, wherein the control unit controls the cable operating device in such a manner that the cable is moved in one of a first direction and a second direction opposite to the first direction. After the first movement amount, the cable is moved to the other of the first direction and the second direction by a second movement amount that is smaller than the first movement amount. The bicycle driving unit according to claim 13, wherein the control unit controls the cable operating device in such a manner that the cable is moved in one of a first direction and a second direction opposite to the first direction. After the third movement amount, the cable is moved to the other of the first direction and the second direction by a fourth movement amount. The bicycle drive unit according to any one of claims 1 to 3, wherein the cable operating device includes an electric actuator different from the motor, and the electric actuator is operated to operate the cable. The bicycle driving unit according to any one of claims 1 to 3, wherein the cable operating device operates the cable using a human driving force input to a crank of the bicycle or an output torque of the motor. A driving unit for a bicycle includes: a motor that assists the advancement of the bicycle; and a mounting portion capable of installing a cable operating device that operates a cable that can be connected to a bicycle component. The bicycle drive unit according to claim 22, further comprising a plurality of the mounting portions. The bicycle drive unit according to claim 22, further comprising a housing that houses at least a part of the motor, and the mounting portion is provided in the housing. The bicycle driving unit according to claim 24, wherein the mounting portion is provided at least one of inside and outside the casing. The bicycle drive unit according to claim 24 or 25, further comprising a guide portion provided in the housing and guiding the cable. The bicycle drive unit according to claim 26, further comprising a plurality of the guide portions. The bicycle driving unit according to claim 26, wherein the guide includes at least one of a groove provided in the housing and a roller capable of rotating relative to the housing. The bicycle driving unit according to claim 24 or 25, wherein the housing includes a frame connecting portion that can be mounted on a frame of the bicycle. The bicycle drive unit according to claim 24 or 25, wherein the housing supports the crankshaft of the bicycle. The bicycle driving unit according to claim 30, wherein the cable connecting portion of the cable operating device is arranged in a state where the casing is provided on the bicycle, and is disposed on a frame of the bicycle in a direction in which the crankshaft of the bicycle extends. The position of the center offset. The bicycle drive unit according to any one of claims 22 to 25, further comprising a detection unit that detects the movement of the cable. The bicycle drive unit according to any one of claims 22 to 25, further comprising a control unit that controls the cable operating device. The bicycle drive unit according to claim 33, wherein the control unit controls the motor. For example, the bicycle driving unit of claim 33 further includes a communication unit capable of communicating with at least one of an operation device operable by an operator and a sensor that detects the state of the bicycle, and the control unit is input to the communication unit according to the input. Information to control the above-mentioned cable operating device. The bicycle driving unit according to claim 35, wherein the communication unit can wirelessly communicate with at least one of the operation device and the sensor. For example, the bicycle driving unit of claim 33 further includes a memory unit that stores information related to the amount of movement of the cable required for the bicycle component to perform a specific operation, and the control unit can be based on The information related to the moving amount of the cable stored in the memory section is changed by the operation of an external device. The bicycle drive unit according to claim 33, wherein the control unit controls the cable operating device in such a manner that the cable is moved in one of a first direction and a second direction opposite to the first direction After the first movement amount, the cable is moved to the other of the first direction and the second direction by a second movement amount that is smaller than the first movement amount. The bicycle drive unit according to claim 33, wherein the control unit controls the cable operating device in such a manner that the cable is moved in one of a first direction and a second direction opposite to the first direction After the third movement amount, the cable is moved to the other of the first direction and the second direction by a fourth movement amount. The bicycle drive unit according to any one of claims 22 to 25, wherein the cable operating device includes an electric actuator different from the motor, and the electric actuator is operated to operate the cable. The bicycle driving unit according to any one of claims 22 to 25, wherein the cable operating device operates the cable using a human driving force input to a crank of the bicycle or an output torque of the motor. A bicycle drive system comprising: the bicycle drive unit according to any one of claims 1 to 41; the cable; and the bicycle component; and the bicycle component includes a transmission, a seat tube assembly, At least one of a shock absorber and a brake device. A driving unit for a bicycle includes: a motor that assists the advancement of the bicycle; and a guide portion that contacts a cable that can be connected to a bicycle component to guide the movement of the cable.